Indo-Pacific Bottlenose Dolphin vs Redhead

Tursiops aduncus compared with Aythya americana

Key Differences

• Indo-Pacific Bottlenose Dolphin is Near Threatened while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Indo-Pacific Bottlenose Dolphin	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Tursiops (Bottlenose Dolphins)	Aythya
Species	Tursiops aduncus	Aythya americana

Evolutionary Relationship

Indo-Pacific Bottlenose Dolphin and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Indo-Pacific Bottlenose Dolphin	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Redhead

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (United States).

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.